Home / 6,154.09-9,231.77-1,993.93

Finding the Fourth Proportional to 6,154.09, 9,231.77 and 1,993.93

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Solution

The fourth proportional to 6,154.09, 9,231.77 and 1,993.93 is: 2,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.09 : 9,231.77 = 1,993.93 : x
  2. Step 2: Convert to fraction form
    6,154.09/9,231.77 = 1,993.93/x
  3. Step 3: Cross multiply
    6,154.09x = 9,231.77 × 1,993.93
  4. Step 4: Simplify right side
    6,154.09x = 18,407,485.06
  5. Step 5: Solve for x
    x = 18,407,485.06/6,154.09
  6. Step 6: Final answer
    x = 2,991.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.